Assignee
ETAGEN INC
US·31 granted patents·2 pending applications·154 citations·filing 2012–2019
Top patents by PatentIndex Score
33 records- 0198US10927953B2Piston seal with solid lubricant applicatorETAGEN INC·Filed 2018·Granted Feb 23, 2021·7 cites·27 claims
- 0298US9657675B1Control of piston trajectory in a free-piston combustion engineETAGEN INC·Filed 2016·Granted May 23, 2017·35 cites·30 claims
- 0397US10408150B2Control of piston trajectory in a free-piston combustion engineETAGEN INC·Filed 2018·Granted Sep 10, 2019·8 cites·20 claims
- 0497US9856821B1Open-faced piston assemblyETAGEN INC·Filed 2016·Granted Jan 2, 2018·13 cites·25 claims
- 0596US10443727B2Sealing ring assemblies configured for pressure lockingETAGEN INC·Filed 2018·Granted Oct 15, 2019·12 cites·28 claims
- 0695US10975966B2Piston sealing ring assembly having a gap cover elementETAGEN INC·Filed 2018·Granted Apr 13, 2021·7 cites·24 claims
- 0795US10731586B2Control of piston trajectory in a free-piston combustion engineETAGEN INC·Filed 2019·Granted Aug 4, 2020·4 cites·20 claims
- 0895US10436322B2Piston sealing ring assembliesETAGEN INC·Filed 2018·Granted Oct 8, 2019·8 cites·27 claims
- 0994US10715068B2Auto-braking for an electromagnetic machineETAGEN INC·Filed 2018·Granted Jul 14, 2020·5 cites·19 claims
- 1094US10156198B2Control of piston trajectory in a free-piston combustion engineETAGEN INC·Filed 2017·Granted Dec 18, 2018·4 cites·40 claims
- 1194US9719415B2Energy storage and conversion in free-piston combustion enginesETAGEN INC·Filed 2015·Granted Aug 1, 2017·5 cites·26 claims
- 1294US9567898B2High-efficiency linear combustion engineETAGEN INC·Filed 2015·Granted Feb 14, 2017·5 cites·30 claims
- 1394US8344669B1Methods and systems for controlling a multiphase electromagnetic machineETAGEN INC·Filed 2012·Granted Jan 1, 2013·10 cites·25 claims
- 1493US10738688B2Energy storage and conversion in free-piston combustion enginesETAGEN INC·Filed 2019·Granted Aug 11, 2020·3 cites·20 claims
- 1593US10404199B2Auto-braking for an electromagnetic machineETAGEN INC·Filed 2019·Granted Sep 3, 2019·4 cites·20 claims
- 1691US10851708B2High-efficiency linear combustion engineETAGEN INC·Filed 2019·Granted Dec 1, 2020·2 cites·19 claims
- 1790US10985641B2Linear electromagnetic machine system with bearing housings having pressurized gasETAGEN INC·Filed 2019·Granted Apr 20, 2021·3 cites·17 claims
- 1889US10359002B2Open-faced piston assemblyETAGEN INC·Filed 2017·Granted Jul 23, 2019·3 cites·28 claims
- 1989US10024231B2High-efficiency linear combustion engineETAGEN INC·Filed 2016·Granted Jul 17, 2018·2 cites·11 claims
- 2087US10221759B2High-efficiency linear combustion engineETAGEN INC·Filed 2018·Granted Mar 5, 2019·2 cites·15 claims
- 2186US10731759B2Reinforced sealing ringsETAGEN INC·Filed 2018·Granted Aug 4, 2020·4 cites·30 claims
- 2280US8656895B2Methods and systems for managing a clearance gap in a piston engineETAGEN INC·Filed 2012·Granted Feb 25, 2014·3 cites·28 claims
- 2380US8624542B2Methods and systems for controlling a multiphase electromagnetic machineETAGEN INC·Filed 2012·Granted Jan 7, 2014·3 cites·20 claims
- 2469US10190490B2Energy storage and conversion in free-piston combustion enginesETAGEN INC·Filed 2017·Granted Jan 29, 2019·0 cites·24 claims
- 2569US10006401B2Methods and systems for managing a clearance gap in a piston engineETAGEN INC·Filed 2012·Granted Jun 26, 2018·1 cites·28 claims
- 2667US10669969B2Open-faced piston assemblyETAGEN INC·Filed 2019·Granted Jun 2, 2020·0 cites·13 claims
- 2766US10554099B2DC-DC converter in a non-steady systemETAGEN INC·Filed 2018·Granted Feb 4, 2020·0 cites·18 claims
- 2862US10465795B2Piston-integrated gap coverETAGEN INC·Filed 2018·Granted Nov 5, 2019·0 cites·30 claims
- 2961US2014130771A1High-efficiency linear combustion engineETAGEN INC·Filed 2014·Application pending·0 cites
- 3059US10215229B2Mechanism for maintaining a clearance gapETAGEN INC·Filed 2013·Granted Feb 26, 2019·1 cites·25 claims
- 3155US8899192B2Methods and systems for managing a clearance gap in a piston engineETAGEN INC·Filed 2012·Granted Dec 2, 2014·0 cites·28 claims
- 3255US8770090B2Methods and systems for managing a clearance gap in a piston engineETAGEN INC·Filed 2012·Granted Jul 8, 2014·0 cites·29 claims
- 3343US2019049007A1Sealing ring having a porous layerETAGEN INC·Filed 2018·Application pending·0 cites
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